Copperactus

This average-sized cactus grows up to 72 feet (21.9 meters) tall. It splits at the base to form 2 thin stems. Each stem is brown, and is covered in large amounts of rigid brilliant yellow spines. The spherical body is copper, and is covered in large amounts of rigid drab red spines.

It is steady-growing, taking 5 years to reach maturity. Once mature, and only under the right conditions, a single flower with copper petals that gradient shift to dark brown on the outer edge. The central disk is cyan grows at the top, reappearing after 6 years, but only when the conditions are right again. The flower head is made up of 51 petals; the lower layer of petals are flat, while the upper layers form a tight tube. It has a delicate scent that smells like damp.

The cactus's skin is thin, the cream flesh is slimy, and the slate sap is thin.